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How to resize image size in javascript?

How google resize images dynamically based on screen size?

  • Google plus shows same image of various resolution  on full screen mode. If you resize the window with web developer tools open. You can actually see multiple resolution of images get loaded as we drag the window's size. protocol://http://lh4.googleusercontent.com/-x9VFTKchi4c/T1Scdb8ClFI/AAAAAAAAGHU/b6KzYYhxm-E/s855/free-gift-camerapixo.jpg s855 is the height of the image. you can choose any value for that image.. even 10 20 30 etc.. and the image loads quickly..!! The do this obviously to reduce bandwidth. but what about other factors Do they resize on the fly.. ? do they resize in all possible  resolution and cache them.?  How it works..?

  • Answer:

    Responsive images is a big and emerging field in web development. http://adaptive-images.com is one possible solution among a lot, while I am not sure what Google+ uses.

Ratul Saha at Quora Visit the source

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